Johnston, Iowa — interactive Google street map, satellite and terrain views, Street View, live National Weather Service conditions and 7-day forecasts, real-time local and world news, and an editorial description of Johnston, Polk County.
| City | Johnston |
| State | Iowa (IA) |
| County | Polk |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 41.673044 |
| Longitude | -93.697721 |
| Population | 24,384 |
| Density | 479.3 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 50131 |
| Area Code | 515 |
| County Seat | Des Moines |
| School District | Johnston Community School District |
Johnston is a locality in Polk County, Iowa, United States. It has a population of 24,384. The population density is 479.3 people per km². Johnston is located at 41.6730°N, 93.6977°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 50131.
Johnston unfolds as a landscape of gentle, rolling terrain, where the rich, dark Iowa soil stretches towards horizons often softened by a haze of summer heat. It lies 3.3 miles north-north-east of Urbandale, IA (from Urbandale, IA: bearing 13°T), and is situated 6.8 miles north-west of Des Moines. Fields of corn and soybeans, vibrant green and gold depending on the season, dominate the panorama, their orderly rows a testament to human cultivation against the vast, open sky. Here and there, stands of mature trees, often oak and elm, punctuate the agricultural tapestry, their branches casting dappled shadows that shift with the sun's slow arc. The air itself carries a particular scent, a blend of freshly turned earth and the sweet, dry perfume of ripening crops, a constant reminder of the land's enduring bounty. The story of Johnston is one of agricultural roots, a place that grew from the industrious spirit of pioneers who saw promise in this fertile ground. While once primarily a farming community, its character has evolved, embracing a more diverse economy that now includes a significant presence in insurance and technology sectors, a notable shift from its agrarian origins. This evolution is visible in the blend of older, established neighborhoods with newer developments, a quiet evolution rather than a dramatic transformation. The Raccoon River, though not a central feature of Johnston itself, flows nearby, its presence a subtle influence on the region's hydrology and a quiet whisper of the natural world that underpins the area's development.
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This page provides an interactive Google map of Johnston, Iowa with street, satellite and terrain views and integrated Street View imagery. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Johnston and Polk County.
Detailed location data for Johnston includes the ZIP code (50131), telephone area code (515), county seat of Polk County (Des Moines), and school district assignment (Johnston Community School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Johnston is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | June 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |